Compare: 2027 Specialized Bicycles Tarmac SL9 S-Works 49 vs 2019 DENGFU R12 Base 49

Insights

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of Specialized Bicycles Tarmac SL9

Average stack and reach vs trend of performance road bikes

Design deviates from other sizes of DENGFU R12

Stack	514mm	508mm -6mm
Reach	375mm	374mm -1mm
Stack to Reach Ratio	1.37:1	1.36:1
Seat Tube Length, C-T	—	470mm
Seat Tube Length, C-TTT	445mm	—
Top Tube Length, Effective/Horizontal Center	508mm	510mm +2mm
Top Tube Slope	7.4deg	6.2deg -1.2deg
Head Tube Angle	71.75deg	71deg -0.75deg
Seat Tube Angle	75.5deg	75deg -0.5deg
Head Tube Length	108.8mm	105mm -3.8mm
Bottom Bracket Drop	74mm	71mm -3mm
Bottom Bracket Height	269mm	268mm -1mm
Chainstay Length	410mm	408mm -2mm
Chainstay Length Horizontal	403.3mm	401.8mm -1.5mm
Front-Center	574mm	574.2mm +0.2mm
Front-Center Horizontal	569.7mm	569.8mm +0.1mm
Wheelbase	973mm	971.6mm -1.4mm
Fork Offset/Rake	47mm	43mm -4mm
Fork Length (Axle-To-Crown)	369mm	—
Fork Length, Unknown	—	370mm
Trail	63.6mm mid/neutral	71.3mm +7.7mm high
Mechanical Trail	60.4mm	67.4mm +7mm
Wheel Flop	18.9mm	21.9mm +3mm
Standover Height	734mm	—
Tire to Pedal Spindle	61mm 170 mm cranks	65.2mm +4.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	99mm 170 mm cranks	98mm -1mm 170 mm cranks

Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	32mm	28mm -4mm
Tire Width Max	—	32mm
Tire Outer Diameter	686mm	678mm -8mm
Bike Length with Tires	1659mm	1649.6mm -9.4mm
Crank Length	170mm	—
Handlebar Width	400mm	—
Stem Length	80mm	—
Suspension Type	Rigid, non-suspension corrected	Rigid, non-suspension corrected
Bar Type	Drop Bar	Drop Bar
Frame Material	Carbon/Composite	Carbon/Composite
Fork Material	Carbon/Composite	Carbon/Composite
Brake Type	Disc	Disc